获取经纬度&根据经纬度获取地理位置

package com.example.ceshi;

import android.Manifest;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Address;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.util.Log;

import java.io.IOException;
import java.util.List;
import java.util.Locale;

/**
 * Created by ${dql} on 2018/8/10 0010.
 */

public class LocationUtils {
    private final String TAG = "LocationUtils";
    private volatile static LocationUtils uniqueInstance;
    private LocationManager locationManager;
    private String locationProvider;
    private Location location;
    private Context mContext;

    private LocationUtils(Context context) {
        mContext = context;
        getLocation();
    }

    //采用Double CheckLock(DCL)实现单例
    public static LocationUtils getInstance(Context context) {
        if (uniqueInstance == null) {
            synchronized (LocationUtils.class) {
                if (uniqueInstance == null) {
                    uniqueInstance = new LocationUtils(context);
                }
            }
        }
        return uniqueInstance;
    }

    private void getLocation() {
        //1.获取位置管理器
        locationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
        //2.获取位置提供器,GPS或是NetWork
        List providers = locationManager.getProviders(true);
        if (providers.contains(LocationManager.NETWORK_PROVIDER)) {
            //如果是网络定位
            Log.d(TAG, "如果是网络定位");
            locationProvider = LocationManager.NETWORK_PROVIDER;
        } else if (providers.contains(LocationManager.GPS_PROVIDER)) {
            //如果是GPS定位
            Log.d(TAG, "如果是GPS定位");
            locationProvider = LocationManager.GPS_PROVIDER;
        } else {
            Log.d(TAG, "没有可用的位置提供器");
            return;
        }
        // 需要检查权限,否则编译报错,想抽取成方法都不行,还是会报错。只能这样重复 code 了。
        if (Build.VERSION.SDK_INT >= 23 &&
                ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
                ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        if (ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        //3.获取上次的位置,一般第一次运行,此值为null
        Location location = locationManager.getLastKnownLocation(locationProvider);
        if (location != null) {
            setLocation(location);
        }
        // 监视地理位置变化,第二个和第三个参数分别为更新的最短时间minTime和最短距离minDistace
        locationManager.requestLocationUpdates(locationProvider, 0, 0, locationListener);
    }

    private void setLocation(Location location) {
        this.location = location;
        String address = "纬度:" + location.getLatitude() + "经度:" + location.getLongitude();
        Log.d(TAG, address);
    }

    //获取经纬度
    public Location showLocation() {
        return location;
    }

    // 移除定位监听
    public void removeLocationUpdatesListener() {
        // 需要检查权限,否则编译不过
        if (Build.VERSION.SDK_INT >= 23 &&
                ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED &&
                ActivityCompat.checkSelfPermission(mContext, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        if (locationManager != null) {
            uniqueInstance = null;
            locationManager.removeUpdates(locationListener);
        }
    }

    /**
     * LocationListern监听器
     * 参数:地理位置提供器、监听位置变化的时间间隔、位置变化的距离间隔、LocationListener监听器
     */

    LocationListener locationListener = new LocationListener() {

        /**
         * 当某个位置提供者的状态发生改变时
         */
        @Override
        public void onStatusChanged(String provider, int status, Bundle arg2) {

        }

        /**
         * 某个设备打开时
         */
        @Override
        public void onProviderEnabled(String provider) {

        }

        /**
         * 某个设备关闭时
         */
        @Override
        public void onProviderDisabled(String provider) {

        }

        /**
         * 手机位置发生变动
         */
        @Override
        public void onLocationChanged(Location location) {
            location.getAccuracy();//精确度
            setLocation(location);
        }
    };
    /**
     * 根据经纬度获取地理位置
     * */
    public String convertAddress(Context context, double latitude, double longitude) {
        Geocoder mGeocoder = new Geocoder(context, Locale.getDefault());
        StringBuilder mStringBuilder = new StringBuilder();

        try {
            List
mAddresses = mGeocoder.getFromLocation(latitude, longitude, 1); if (!mAddresses.isEmpty()) { Address address = mAddresses.get(0); mStringBuilder.append(address.getCountryName()).append(", ").append(address.getAdminArea()).append(", ").append(address.getLocality()); } } catch (IOException e) { e.printStackTrace(); } return mStringBuilder.toString(); } private boolean checkPermission(Context context, permission permName) { int perm = context.checkCallingOrSelfPermission("android.permission."+permName.toString()); return perm == PackageManager.PERMISSION_GRANTED; } private enum permission{ ACCESS_COARSE_LOCATION, ACCESS_FINE_LOCATION } }

 

调用方式:

  //获取经纬度
        Location location = LocationUtils.getInstance(getApplicationContext()).showLocation();
        if (location != null) {
            String latitude = String.valueOf(location.getLatitude());
            String longitde = String.valueOf(location.getLongitude());
            Log.e("经度==========",latitude);
            Log.e("纬度==========",longitde);
            //根据经纬度获取地理位置
            String s = LocationUtils.getInstance(MainActivity.this).convertAddress(MainActivity.this, location.getLatitude(), location.getLongitude());
            mTv.setText("经度=========="+latitude+"\n"+"纬度=========="+longitde+"\n"+s);

需要添加的权限(六点零以上的系统需要动态获取)

Manifest.permission.INTERNET
Manifest.permission.ACCESS_COARSE_LOCATION
Manifest.permission.ACCESS_FINE_LOCATION

 

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